Heat persists through final days of September

The Red Flag Warning expired at 5:00 p.m. but relative humidity across the Southland remains near 10%.

Palm Springs and Thermal recorded a high temperature of 108°, just like yesterday. The average high for the date is 95°.

Temperatures across the west coast continue to climb above seasonal averages. Some parts of California and Oregon are experiencing highs almost 20° above normal.

The ridge of high pressure bringing the heat to the western United States will remain in place through the middle of the week before a subtle weakening.

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